or NORTH AMERICA. 69 



flowers few — 3 Dentata, last lea^^es broad and 

 denticulate at base. 



CORYMBIFEllES. 

 Of this extensive tribe of plants, I have yet a 

 crowd of new and interesting N. G, and sp. 

 some of which have been given in the first part, 

 I must here confine myself to some of the most 

 striking, waiting to see what Decandole and 

 Torrey will do ; good monographs of the G. 

 Aster, Solidago, Erigeron, Heliartthus, Coreop- 

 sis, Eupatorium, Liatris, Vernonia *Slc, or akin 

 and blended are much wanted, and may be un- 

 dertaken if not well settled by Decandole. 



910. NEACTELIS Raf. Flosculose, peri- 

 anthe in triple series adpressed not ciliate, inner 

 colored, phoranthe convex with subulate chaffs, 

 floscules with tube and limb terete tubular, 

 Sdentate, stamens and styles inclosed. Seeds 

 without crown, linear compress( d. Leaves op- 

 posite^ stem iinijlore nearly naked — A singu- 

 lar Genus with habit of my G. Discomela (1825) 

 and the Helianthea with naked stems, yet not 

 radiate ; perhaps blended with them as did Col- 

 lins, and as Elliot blended my G, Anactis with 

 Aster, being his A. discoideus. Radiate and 

 flosculose plants are always of different Genera 

 even Senecio and Jacobea. My name means 

 Sun icitJwut rays. By the seeds near to Es- 

 peletia, Heliopsis, Kelepta, Acmella &.c. 



911. Neactelis strigosa Raf. Helianthus 

 apetalus Coll. herb, stem virgate grooved nearly 

 smooth and naked uniflore, lower leaves oppo- 

 site oblong acute entire, thick strigose on both 

 sides by white tubercles ending in a bristle, a 

 few short alterne leaves higher up ; perianthe 

 with segments ovate lanceolate acute — in 

 Florida collected byKinn? stem 15 inches, 3 



